[CUWiN-Dev] Cable type Re: CU-Wireless-Dev Digest, Vol 11, Issue 15

Rick Elnor Rick at nixbased.com
Wed Mar 16 21:01:54 CST 2005


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>This is with regard to the message below (Message: 1). I agree with you about the boards but saying LMR-400 is too industrial grade maybe an oversight. LMR-400 (depending on type of dielectric,the size and type of the conductor, length of cable and so on) has about a 7dB loss for 100FT. Now this may not be an issue with the person you were replying to but I know from experiance it can be. We actually have a 96FT tower here that we were thinking of adding a failsafe to and doing the cable run up the tower.  If I missed something I apologize for being off base (probably am as I havn't seen the location).
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>>Regarding message: 5 (copied below) ... we think you might want to
>>consider using WRAP.2C router boards (instead of SOEKRIS) together with
>>the mini-box enclosure kits.
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>>We just got a batch of (10) WRAP.2C boards yesterday (purchased & shipped
>>directly from PCEngines in Switzerland). We loaded the same software
>>(linux) as we are using on the SOEKRIS 4826-50 boards and ... it works
>>great ... no changes needed.
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>>The WRAP boards are a lot less expensive, and, the mini-box kit is about
>>the same cost but way better than anything we've found. Check out the
>>following review:
>>http://socalfreenet.org/wrapbox
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>>You may want to consider different coax cable, too because the LMR400 is
>>overly industrial grade in our opinion. As long as the cable run between
>>the radio card and the antennas is short, you'll get about the same RF
>>performance.
>>
>>-Patrick
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